Download or read book A Quark Model of Bar LambdaLambda Production in Bar Pp Interactions written by and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A Quark Model of bar Lambda Lambda Production in bar P p Interactions written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A quark model which includes both scalar and vector contributions to the reaction mechanism (SV quark model) is used in a DWBA calculation of [anti [Lambda]][Lambda] production in [bar p]p interactions. Total and differential cross-sections, polarizations, depolarizations, and spin-correlation coefficients are computed for laboratory momenta from threshold to 1695 MeV/c. The free parameters of the calculation are the scalar and vector strengths, a quark cluster size parameter, and the parameters of the unknown [anti [Lambda]][Lambda] potentials. Good agreement with experiment is found for constructive interference of the scalar and vector terms, and for [anti [Lambda]][Lambda] potentials which differ from those suggested by several authors on the basis of SU(3) arguments. The fit to the data is better than that obtained by other quark models, which use only scalar or vector annihilation terms. The agreement with experiment is also better than that found in meson-exchange models. The recent suggestion [1] that measurement of the depolarization parameter D[sub nn] can be used to discriminate between meson-exchange and quark models is examined in detail. We conclude that a measurement of D[sub nn] will provide a test of which of these models, as presently constructed, is the more appropriate description of strangeness production in the [bar p]p [yields] [anti [Lambda]][Lambda] reaction.

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Download or read book Energy Research Abstracts written by and published by . This book was released on 1992-03 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Scalar and Vector Contributions to P P Yields Lambda Lambda written by and published by . This book was released on 1990 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: A quark model which includes both scalar and vector contributions to the reaction {bar p}p → {bar [Lambda]}[Lambda] is presented. DWBA calculations of differential cross sections, polarizations and spin correlation coefficients are compared to experimental results at several energies. The results are sensitive to details of the reaction mechanism and to the parameters of the {bar {Lambda}}{Lambda} interaction. 10 refs., 5 figs.

Download or read book High Energy Physics Index written by and published by . This book was released on 1988 with total page 678 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Government Reports Annual Index Keyword A L written by and published by . This book was released on 1988 with total page 1016 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Measurement of Inclusive Lambda K short and Lambda Bar Production and Lambda Polarization from Interactions of 400 GeV c Protons with Hydrogen written by Ronald Allan Grobel and published by . This book was released on 1980 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Proceedings of HEP83 written by C. Costain and published by . This book was released on 1983 with total page 970 pages. Available in PDF, EPUB and Kindle. Book excerpt: